Andrzej Burda, Polskie prawo państwowe [Polish Constitutional Law], Warszawa 1962, PWN. Contemporary Central & East European Law, [S. l.], n. 4, p. 47–48, 1965. Disponível em: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1704. Acesso em: 6 oct. 2025.